@Wisefix did you know if not already you can use Windows RDP client which is available for free for mac you can connect with that (depending on version of windows from what I hear) and if you use the multiple RDP patch for windows on the server, it will allow you to remote connect to second user on the server without logging out the user who is already open.
Cant make out what windows that is, have heard the exploit was fixed in 8 but may be alternative.
If you can find patch it can be handy as if you don’t have multiple terminals you can RDP in from pc/laptop elsewhere and update bits without hogging the terminal.
If you know how you could in theory open a port on modem for RDP and login from another location (a bit like team viewer which I see you use) if you know you public IP, I don’t RDP from remote location as have a headless server running the sql which I usually VNC into as wont disturb anyone. Its the server that my local RDP tablets use rather than the terminal to spread the load.